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give the domain and range.

1. a = { (1,2),(2,3),(3,4) }
2. b = { (1,2),(1,3),(2,4),(3,5) }
3. c = { (1,0),(0,1),(-1,0) }
4. d = { (0,0),(-1,1),(-2,4),(-3,9) }
5. e = { (3,6),(7,10),(11,14) }​